package com.iflytek.threadpool.manager.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

/**
 * @program: threadpooltest
 * @description: 线程池配置类
 * @author: 陈亮
 * @create: 2022-02-22 20:46
 */
@Configuration
@EnableAsync  //开启异步
public class ThreadPoolExecutorConfig {


    /**
     * 直接构建springboot封装的配置线程池
     */
    @Bean("checkExecutor")
    public TaskExecutor checkExecutor() {

        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(8);
        // 设置最大线程数
        executor.setMaxPoolSize(16);
        // 设置队列容量
        executor.setQueueCapacity(50);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        // 设置默认线程名称
        executor.setThreadNamePrefix("check-");
        // 设置拒绝策略
//    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
//    executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.initialize(); // 这个应该要添加 初始化池子的
        return executor;
    }
}
